From: Takuya Yoshikawa <yoshikawa.takuya@xxxxxxxxxxxxx>
Use a local pointer to the emulate_ctxt for simplicity. Then, arrange
the hard-to-read mode selection lines neatly.
Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@xxxxxxxxxxxxx>
---
arch/x86/kvm/x86.c | 21 +++++++++++----------
1 files changed, 11 insertions(+), 10 deletions(-)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index da48622..e7d337e 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4508,7 +4508,8 @@ static void inject_emulated_exception(struct kvm_vcpu *vcpu)
static void init_emulate_ctxt(struct kvm_vcpu *vcpu)
{
- struct decode_cache *c = &vcpu->arch.emulate_ctxt.decode;
+ struct x86_emulate_ctxt *ctxt = &vcpu->arch.emulate_ctxt;
+ struct decode_cache *c = &ctxt->decode;
int cs_db, cs_l;
/*
@@ -4521,15 +4522,15 @@ static void init_emulate_ctxt(struct kvm_vcpu *vcpu)
kvm_x86_ops->get_cs_db_l_bits(vcpu, &cs_db, &cs_l);
- vcpu->arch.emulate_ctxt.eflags = kvm_get_rflags(vcpu);
- vcpu->arch.emulate_ctxt.eip = kvm_rip_read(vcpu);
- vcpu->arch.emulate_ctxt.mode =
- (!is_protmode(vcpu)) ? X86EMUL_MODE_REAL :
- (vcpu->arch.emulate_ctxt.eflags & X86_EFLAGS_VM)
- ? X86EMUL_MODE_VM86 : cs_l
- ? X86EMUL_MODE_PROT64 : cs_db
- ? X86EMUL_MODE_PROT32 : X86EMUL_MODE_PROT16;
- vcpu->arch.emulate_ctxt.guest_mode = is_guest_mode(vcpu);
+ ctxt->eflags = kvm_get_rflags(vcpu);
+ ctxt->eip = kvm_rip_read(vcpu);
+ ctxt->mode = (!is_protmode(vcpu)) ? X86EMUL_MODE_REAL :
+ (ctxt->eflags & X86_EFLAGS_VM) ? X86EMUL_MODE_VM86 :
+ cs_l ? X86EMUL_MODE_PROT64 :
+ cs_db ? X86EMUL_MODE_PROT32 :
+ X86EMUL_MODE_PROT16;
+ ctxt->guest_mode = is_guest_mode(vcpu);
+
memset(c, 0, sizeof(struct decode_cache));
memcpy(c->regs, vcpu->arch.regs, sizeof c->regs);
vcpu->arch.emulate_regs_need_sync_from_vcpu = false;
--
1.7.4.1
--
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